Home / 5,450.64-7,521.76-3,060.66

Finding the Fourth Proportional to 5,450.64, 7,521.76 and 3,060.66

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Solution

The fourth proportional to 5,450.64, 7,521.76 and 3,060.66 is: 4,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.64 : 7,521.76 = 3,060.66 : x
  2. Step 2: Convert to fraction form
    5,450.64/7,521.76 = 3,060.66/x
  3. Step 3: Cross multiply
    5,450.64x = 7,521.76 × 3,060.66
  4. Step 4: Simplify right side
    5,450.64x = 23,021,549.96
  5. Step 5: Solve for x
    x = 23,021,549.96/5,450.64
  6. Step 6: Final answer
    x = 4,223.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.